4、er...,or...;both...and...5)递进关系:furthermore此外,而且;moreover而且,此外;further进一步地,此外;Inthisway;still;notonly...butalso...;not...but...;inaddition(to);additionally,muchmoreinteresting,morespecifically更具体地说,next,besides;asfaras...isconcerned至于;moreover此外;inotherwords;alongthislineofconsideration;on (the